Home > All PRODUCTS > CK75 C75S SAE1075 C80 steel strip > GDGW CK75 Steel Strip - High Carbon Spring Steel Strip for Various Applications

GDGW CK75 Steel Strip - High Carbon Spring Steel Strip for Various Applications

 

Material: CK75 High Carbon Steel (DIN 1.1248 / C75S)

Application: Bandsaw blades, spring strips, industrial knives, automotive springs

Condition: Hardened & Tempered (Bright finish) or Annealed

Hardness: 44-48 HRC (customizable)

Thickness: 0.12mm - 5.0mm (tolerance ±0.01mm)

Width: 10mm - 500mm (custom slitting available)

Edge Type: Slit edge, rounded edge, or square edge

 

 

GDGW CK75 High Carbon Steel Strip – Professional Grade for Various Applications

 

Are you searching for a reliable supplier of CK75 steel strip? Look no further. At GDGW Steel, we specialize in the production of CK75 high carbon steel strip designed for demanding applications including bandsaw blades, industrial springs, and cutting tools.

 

What is CK75 Steel?

 

CK75 (DIN 1.1248, equivalent to C75S and AISI 1075) is a high carbon steel grade containing 0.70-0.80% carbon. This composition provides excellent hardness and wear resistance after proper heat treatment. The material is specifically designed for cold rolled steel strips requiring high dimensional accuracy and superior surface condition.

 

Why Choose GDGW CK75 Spring Steel Strip?

 

Precision Tolerances: Our cold rolling process ensures thickness tolerances as low as +/-0.01mm and width tolerances +/-0.10mm, guaranteeing consistent blade straightness and tooth set.

 

Customizable Heat Treatment: We supply CK75 high carbon steel strip in both Annealed (soft, for further forming) and Hardened & Tempered (H&T) conditions. The H&T condition offers uniform hardness (44-48 HRC) across the entire coil, reducing breakage during welding.

 

Superior Surface Finish: Available in bright polished, blue, yellow, or natural finish (Ra < 0.2μm) to reduce friction during high-speed cutting operations.

 

Flexible Edge Processing: Slit edge, fully rounded edge, or one-side rounded – we customize according to your saw blade requirements.

 

 

Technical Specifications:

 

Parameter

 

Value

 

Standard

 

DIN 17222

 

Material No.

 

1.1248

 

Equivalent

 

C75S, AISI 1075

 

Carbon (C) 

 

0.70 - 0.80%

 

Silicon (Si)

 

0.15 - 0.35%

 

Manganese (Mn)

 

0.60 - 0.80%

 

Tensile Strength 

 

Up to 1800 MPa

 

Hardness  

 

40 - 55 HRC (customizable) for (H&T)

Below 180HV for soft Annealed

 

Density 

 

7.85 g/cm³

 

Elastic Modulus

 

210 GPa

 

 

Applications of CK75 Steel Strip

 

Our customers use our CK75 spring steel strip to manufacture:

Bandsaw Blades – Backer material for bimetal blades

Wood Cutting Band Saws – Wide strips for timber processing

Industrial Springs – Cold rolled spring strips

Cutting Tools – Knives, scrapers, and blades

Automotive Components – Spring clips and retainers

Rolling Shutter Springs – High-cycle fatigue applications

 

Packaging & Shipping

 

Each coil of CK75 high carbon steel strip is:

Wrapped with VCI anti-rust paper and light oil

Sealed in plastic film

Packed on wooden pallets suitable for sea freight

 

We export worldwide from China with competitive factory pricing.

 

Contact GDGW Steel Today

 

Request a free sample or get a quote for CK75 steel strip. We offer consistent quality, tight tolerances, and reliable delivery.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GET IN TOUCH

Other PRODUCTS